Lavender love, a dahlia extravaganza, and a wisteria masterclass.

This week we talk about all things lavender, exploring the array of varieties and sharing top tips for growing. We hear from a group of gardeners with a passion for growing and showing dahlias. Plus, we bring you a wisteria masterclass and put your mind at ease when it comes to questions about pruning. Host: Guy Barter Contributors: Tim Upson, Alessandra Sana, Vanessa Penn Other Links: RHS Wisley Garden Flower Show National Dahlia Society National Dahlia Society Facebook Page RHS-Affiliated Societies Become a member of the RHS How to grow lavender How to grow dahlias How to grow wisteria